A na-ekewakarị ụlọ ndị e ji akpa ihe e ji eme steepụ na corridor n'ime steepụ okpukpu abụọ na steepụ okpukpu atọ. Staịpụ okpukpu abụọ ahụ nwere igbe ọkọlọtọ abụọ nke 2.4M/3M, steepụ okpukpu abụọ nke 1pcs (nwere aka na ígwè anaghị agba nchara), elu ụlọ ahụ nwekwara oghere elu. Staịpụ okpukpu atọ ahụ nwere igbe ọkọlọtọ atọ nke 2.4M/3M, steepụ okpukpu abụọ nke 1pcs (nwere aka na ígwè anaghị agba nchara), elu ụlọ ahụ nwekwara oghere elu.
Oge ozi: 14-12-21